Take parts of an image and shuffle them around

image shuffler

//ta delar ur en bild och shuffla runt dem

int col = 4; //even numbers
int row = 2;
int w;
int h;

PImage img;
PImage[] delar = new PImage[col*row];

void setup() {
  img = loadImage("image.jpg");
  img.resize(600, 400); //even numbers
  size(img.width, img.height);
  w = img.width/col;
  h = img.height/row;

    int delCount = 0;
    for (int x = 0; x < img.width; x+=w) {
      for (int y = 0; y < img.height; y+=h) {
        delar[delCount] = img.get(x, y, w, h);
        if (delCount < delar.length-1) {
          delCount++;
        }
      }
    }

    int counter = 0;
    for (int x = 0; x < img.width; x+=w) {
      for (int y = 0; y < img.height; y+=h) {
        image(delar[int(random(delar.length))], x, y);
        if (counter < delar.length-1) {
          counter++;
        }
      }
    }
}